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Vortex lines from an idealized current quadrupole in linearized gravity

An idealized current quadrupole source in linearized gravity rotates in a right-handed sense about the z-axis, emitting gravitational waves. This video shows the structure of vortex lines associated with this radiation process. The nearly-radial gray lines have negligible vorticity, and so are not directly related to gravitational waves. The blue and red curves have significant positive and negative vorticity (respectively), and are drawn into twisted spirals by the rotation of the source. It is descrbed in our work, Visualizing Spacetime Curvature via Frame-Drag Vortexes and Tidal Tendexes I. General Theory and Weak-Gravity Applications, available at

Movie displaying the vortex lines from an idealized current quadrupole

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